Mechanical Cx Specialist (Dry Mechanical)

Role Overview: We are seeking a Mechanical Commissioning Specialist (Dry Mechanical) to support commissioning, startup, testing, and turnover activities on a large-scale semiconductor manufacturing facility in Idaho. This role will focus on the verification, testing, and functional performance of critical dry mechanical and HVAC systems supporting cleanroom and manufacturing operations. The ideal candidate will have hands-on commissioning experience within semiconductor, advanced manufacturing, pharmaceutical, or mission-critical environments and possess a strong understanding of mechanical system startup, integrated testing, and turnover processes.

Key Responsibilities: Execute commissioning activities for dry mechanical systems, HVAC equipment, air handling systems, exhaust systems, cleanroom support infrastructure, and associated controls. Perform pre-functional and functional performance testing to verify systems operate in accordance with design intent. Coordinate startup activities with contractors, vendors, controls teams, and client stakeholders. Support integrated systems testing (IST) and turnover readiness activities. Document commissioning results, deficiencies, corrective actions, and retesting activities. Review commissioning procedures, startup plans, and test scripts to ensure project compliance. Support development and completion of turnover packages, system documentation, and O&M deliverables. Conduct field inspections and verification activities to confirm installations meet project specifications and quality requirements. Identify installation deficiencies and support resolution efforts prior to startup and testing. Verify equipment readiness, system completion, and documentation status before commissioning activities begin. Maintain accurate commissioning records and support client reporting requirements.

Requirements: 5+ years of experience in commissioning, startup, field engineering, or mechanical systems support within semiconductor, advanced manufacturing, pharmaceutical, or mission-critical facilities. Strong understanding of HVAC systems, air handling equipment, cleanroom environments, exhaust systems, and mechanical controls. Experience supporting functional testing, startup, turnover, and integrated systems testing activities. Ability to read and interpret mechanical drawings, P&IDs, sequences of operation, and MEP construction documents. Strong troubleshooting, documentation, and communication skills. Ability to work effectively in fast-paced construction and commissioning environments.

Preferred Qualifications: Semiconductor or cleanroom commissioning experience. Experience supporting large capital projects or manufacturing facilities. Familiarity with commissioning documentation platforms and quality management systems. Previous experience working alongside QA/QC, construction, and owner representative teams. OnQCx is a project management and engineering consulting firm that partners with top-tier clients on some of the most complex mission-critical projects worldwide. While we operate on a large scale, we maintain a family-run, tight-knit culture with a proactive focus on rolling our people onto new opportunities when projects wrap. Competitive pay and benefits package. Opportunity to work on a mission-critical project with long-term career potential. Be part of a tight-knit, high-performing team delivering world-class facilities for leading technology clients.